Only in the same way you call someone who voted for Hitler a Nazi. You know what's less nice than mean words? Dead kids.
PS. I also enjoy shooting, I have friends who own guns, my favourite is a .30-30 Marlin Lever-action 5 shot breakdown rifle that is absolutely superb for hunting roos and pigs. We just have rules that make sure you're responsible.
Do you vote for politicians who would put in restrictions on ownership and laws for improving pre-ownership testing and licensing? Because if not you're killing kids out of negligence. If you want to know more, you can learn the basics in school. Enjoy dodging lead.